[added] Test for carousel control behaviour with wrap=true

test/CarouselSpec.jsx

@@ -73,4 +73,45 @@ describe('Carousel', function () {
  )[0]
  );
  });
+
+ it('Should show all controls on the first/last image if wrap is true', function () {
+ var instance = ReactTestUtils.renderIntoDocument(
+ <Carousel activeIndex={0} controls={true} wrap={true}>
+ <CarouselItem ref="item1">Item 1 content</CarouselItem>
+ <CarouselItem ref="item2">Item 2 content</CarouselItem>
+ </Carousel>
+ );
+
+ var backButton = ReactTestUtils.findRenderedDOMComponentWithClass(instance, 'left');
+
+ assert.ok(backButton);
+ assert.equal(backButton.props.href, '#prev');
+
+ instance = ReactTestUtils.renderIntoDocument(
+ <Carousel activeIndex={1} controls={true} wrap={true}>
+ <CarouselItem ref="item1">Item 1 content</CarouselItem>
+ <CarouselItem ref="item2">Item 2 content</CarouselItem>
+ </Carousel>
+ );
+
+ var nextButton = ReactTestUtils.findRenderedDOMComponentWithClass(instance, 'right');
+
+ assert.ok(nextButton);
+ assert.equal(nextButton.props.href, '#next');
+ });
+
+ it('Should not show the prev button on the first image if wrap is false', function () {
+ var instance = ReactTestUtils.renderIntoDocument(
+ <Carousel activeIndex={0} controls={true} wrap={false}>
+ <CarouselItem ref="item1">Item 1 content</CarouselItem>
+ <CarouselItem ref="item2">Item 2 content</CarouselItem>
+ </Carousel>
+ );
+
+ var backButtons = ReactTestUtils.scryRenderedDOMComponentsWithClass(instance, 'left');
+ var nextButtons = ReactTestUtils.scryRenderedDOMComponentsWithClass(instance, 'right');
+
+ assert.equal(backButtons.length, 0);
+ assert.equal(nextButtons.length, 1);
+ });
 });